{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Marine stern drive with through-housings lubrication system", "item": "https://www.patentleaderboard.com/patent/4872531"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Marine stern drive with through-housings lubrication system

Marine stern drive with through-housings lubrication system

US Patent 4872531 · Granted Oct 10, 1989

Estimated economic value: $2,478,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Marine drive shift mechanism with chamfered shift rings, stepped cams, and self-1998
Marine dual propeller lower bore drive assembly1995
Counter-rotating surfacing marine drive with planing plate1995
Counter-rotating surfacing marine drive with defined X-dimension1995
Marine drive with surfacing torpedo1994
Marine drive with skeg water inlet1994
Marine drive exhaust system1994
Marine dual propeller lower bore drive assembly1994
Surfacing marine drive with contoured skeg1994
Marine drive anode1994
Marine drive having two counter-rotating surfacing propellers and dual propeller1993
Apparatus and method for providing oil circulation in a marine propulsion system1993